The invention discloses
potassium ferrate-containing composite particles capable of efficiently removing
formaldehyde and a preparation method of the
potassium ferrate-containing composite particles, and relates to the technical field of
air purification. The high-efficiency
formaldehyde-removing composite particle comprises
potassium ferrate, food-grade liquid
silica gel and an inorganic adsorption material, the food-grade liquid
silica gel is used as a binder, and the
potassium ferrate and the inorganic adsorption material are combined; the
silica gel does not react with the
potassium ferrate, so that the loss of the
potassium ferrate in the preparation process is reduced; the silica gel has strong hydrophobicity, can well neutralize the characteristic of strong hygroscopicity of the potassium ferrate, and prolongs the stabilization time of the potassium ferrate in the particles in the air; the silica gel has a certain
adsorption effect and can adsorb
formaldehyde in the air onto the particles, so that the formaldehyde is oxidized and decomposed by utilizing the potassium ferrate in the particles. When the composite particles are used,
moisture and formaldehyde in the air are adsorbed, the potassium ferrate in the particles is gradually dissolved in the water, and the formaldehyde is decomposed by utilizing the strong oxidizing property of the potassium ferrate, so that the purpose of removing the formaldehyde is achieved.